#include 〈stdio
h>#include 〈windows
h>#include 〈string
h〉#define N 100struct employee{ int num; char name[20]; char sex; int age; char xueli[30]; int wage; char addr[30]; char tel[20];}em[100]; /*定义一个结构体*/void menu();void input();void save(int);void display();void del();void add();void search();void search_num();void search_xueli();void search_tel();void modify(); /*定义各函数*/void main(){menu(); int n,flag; char a; do { printf("请选择你需要操作的步骤(1——7):\n”); scanf("%d",&n); if(n〉=1 && n